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Fix transparent border rendering and ALIGNVCENTER text alignment #241

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Fix transparent border rendering and ALIGNVCENTER text alignment #241

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29 changes: 28 additions & 1 deletion cewe2pdf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -449,6 +449,11 @@ def processDecorationBorders(decoration, areaHeight, areaWidth, pdf):
bcolor = reportlab.lib.colors.blue
if "color" in border.attrib:
colorAttrib = border.get('color')
# Check if color has alpha channel (8 hex digits) and if it's transparent
# Format: #RRGGBBAA where AA is alpha (00 = transparent, FF = opaque)
if len(colorAttrib) == 9 and colorAttrib[7:9] == '00':
# Transparent border - don't draw it
return
bcolor = reportlab.lib.colors.HexColor(colorAttrib)

adjustment = 0
Expand Down Expand Up @@ -637,6 +642,16 @@ def processAreaTextTag(textTag, additional_fonts, area, areaHeight, areaRot, are
bottomPad = mcf2rl * tablebmarg
topPad = mcf2rl * tabletmarg

# Parse textFormat element for vertical centering alignment
verticallyCenter = False
textFormatElement = textTag.find('textFormat')
if textFormatElement is not None:
# Read alignment attribute to check for ALIGNVCENTER
alignmentAttrib = textFormatElement.get('Alignment')
if alignmentAttrib is not None:
if 'ALIGNVCENTER' in alignmentAttrib:
verticallyCenter = True

# if this is text art, then we do the whole thing differently.
cwtextart = area.findall('decoration/cwtextart')
if len(cwtextart) > 0:
Expand Down Expand Up @@ -835,7 +850,19 @@ def processAreaTextTag(textTag, additional_fonts, area, areaHeight, areaRot, are

frameWidth = max(frameWidth, finalTotalWidth)

newFrame = ColorFrame(frameBottomLeft_x, frameBottomLeft_y,
# Apply vertical centering if ALIGNVCENTER is specified
# When vertically centering, shrink frame to fit text exactly and position it centered
verticalCenterOffset = 0
if verticallyCenter and finalTotalHeight < (mcf2rl * areaHeight):
# Original area height from XML
originalFrameHeight = mcf2rl * areaHeight
# Use exact text height for the frame
frameHeight = finalTotalHeight
# Calculate offset to center this smaller frame in the original area
emptySpace = originalFrameHeight - finalTotalHeight
verticalCenterOffset = -emptySpace / 2.0 # Negative = move down

newFrame = ColorFrame(frameBottomLeft_x, frameBottomLeft_y + verticalCenterOffset,
frameWidth, frameHeight,
leftPadding=leftPad, bottomPadding=bottomPad,
rightPadding=rightPad, topPadding=topPad,
Expand Down